The rpx4 - 4-inch 2-way coaxial car speakers are great factory replacement speakers, providing rich, clear, and powerful sound. They work great on factory radio power or amplified power, and feature high quality build materials such as a microfiber paper cone and premium butyl rubber surround. All of these aspects of the speakers design allow it to offer great sound and long lasting reliability. The speakers feature a 20mm premium silk dome tweeter. Frequency response: 50-20,000 Hz. Sensitivity: 89 db. Sold as a pair. Impedance: 4 ohms. Max power: 120 watts (pair), rms power: 30 watts (pair).

Sensitivity : 89 dB. Frequency response : 50 - 20,000 Hz +/- 3 dB. 20Mm soft dome silk tweeter. Microfiber paper cone & butyl rubber surround. Peak power handling : 120 watts per pair (60 watts each).